| nationalDebt | Japan MOF — Government Bonds, Borrowings & Guaranteed Debt (Mar-end FY2025) | 2026-03-31 | IMF Global Debt Database |
| gdp | Japan Cabinet Office ESRI 2025 Nominal GDP (annual) | 2025-12-31 | World Bank GDP (current LCU) |
| population | Japan Statistics Bureau 2025 Census — Population (Oct 1, 2025) | 2025-10-01 | World Bank population, total |
| householdDebt | BOJ Flow of Funds — Household Debt Outstanding (Q1 2026) | 2026-03-31 | — |
| mortgageDebt | BOJ Flow of Funds — Household Housing Loans (Q1 2026) | 2026-03-31 | — |
| creditCardDebt | BOJ Flow of Funds — Household Installment Credit (Q1 2026) | 2026-03-31 | — |
| govRevenue | Japan MOF National Tax Revenue (FY2025 settlement, provisional) | 2026-03-31 | — |
| govSpending | Japan MOF General Account Expenditure (FY2025 initial budget) | 2025-04-01 | — |
| exports | Japan MOF Trade Statistics — Annual Exports (2025) | 2025-12-31 | — |
| imports | Japan MOF Trade Statistics — Annual Imports (2025) | 2025-12-31 | — |
| currentAccount | Japan MOF / BOJ Balance of Payments — Current Account (2025) | 2025-12-31 | — |
| foreignReserves | Japan MOF Official Reserve Assets (Jun 2026, USD ≈ 1.287T) | 2026-06-30 | — |
| externalDebt | Japan MOF Gross External Debt Position (Mar 2026) | 2026-03-31 | — |
| unemploymentRate | Japan Statistics Bureau Labour Force Survey — Unemployment Rate (2025 avg) | 2025-12-31 | — |
| inflationRate | Japan Statistics Bureau CPI (2025 annual avg) | 2025-12-31 | — |
| interestRate | BOJ Policy Rate (uncollateralized overnight call, Jun 2026) | 2026-06-16 | — |
| exchangeRate | BOJ Tokyo 17:00 USD/JPY Mid Rate (Jul 17, 2026) | 2026-07-17 | — |
| debtPerCitizen | Derived (computed from base series) | 2025-12-31 | — |
| householdDebtPerCitizen | Derived (computed from base series) | 2025-12-31 | — |
| debtToGDP | Derived (computed from base series) | 2025-12-31 | — |
| fiscalBalance | Derived (computed from base series) | 2025-12-31 | — |
| tradeBalance | Derived (computed from base series) | 2025-12-31 | — |